Enderby, P. M. (1987). Assistive communication aids, for the speech impaired. Churchill Livingstone.
Chicago (17e ed.) BronvermeldingEnderby, Pamela Mary. Assistive Communication Aids, for the Speech Impaired. Edinburgh: Churchill Livingstone, 1987.
MLA (9e ed.) BronvermeldingEnderby, Pamela Mary. Assistive Communication Aids, for the Speech Impaired. Churchill Livingstone, 1987.
Let op: Deze citaties zijn niet altijd 100% accuraat.